Home / 8,278.73-12,418.48-2,732.56

Finding the Fourth Proportional to 8,278.73, 12,418.48 and 2,732.56

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Solution

The fourth proportional to 8,278.73, 12,418.48 and 2,732.56 is: 4,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.73 : 12,418.48 = 2,732.56 : x
  2. Step 2: Convert to fraction form
    8,278.73/12,418.48 = 2,732.56/x
  3. Step 3: Cross multiply
    8,278.73x = 12,418.48 × 2,732.56
  4. Step 4: Simplify right side
    8,278.73x = 33,934,241.71
  5. Step 5: Solve for x
    x = 33,934,241.71/8,278.73
  6. Step 6: Final answer
    x = 4,098.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.